/**
 * Copyright (c) 2015-2018, Golly Hu 胡高 (3722711@qq.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.hg.jfsa.web.service.provider;

import java.util.List;
import java.util.Map;

import com.jfinal.kit.Kv;
import com.jfinal.plugin.activerecord.Page;
import com.jfinal.plugin.activerecord.SqlPara;

import cn.hg.jfsa.model.News;
import cn.hg.jfsa.model.NewsCategory;
import cn.hg.jfsa.web.service.api.NewsServiceApi;

/**
 * @author Golly
 */
public class NewsServiceProvider implements NewsServiceApi {

	/*
	 * (non-Javadoc)
	 * @see cn.hg.jfsa.service.api.NewsServiceApi#getNews(int)
	 */
	@Override
	public News getNews (int id) {
		return News.DAO.findById(id);
	}

	/*
	 * (non-Javadoc)
	 * @see cn.hg.jfsa.service.api.NewsServiceApi#getNewsCategoryList(java.util.Map)
	 */
	@Override
	public List<NewsCategory> getNewsCategoryList (Map<String, Object> paraMap) {
		SqlPara sqlPara = NewsCategory.DAO.getSqlPara("webapp.findNewsCategory", paraMap);
		List<NewsCategory> list = NewsCategory.DAO.find(sqlPara);
		return list;
	}

	/*
	 * (non-Javadoc)
	 * @see cn.hg.jfsa.service.api.NewsServiceApi#getNewsPage(int, int,
	 * java.util.Map)
	 */
	@Override
	public Page<News> getNewsPage (int index, int size, Map<String, Object> paraMap) {
		SqlPara sqlPara = News.DAO.getSqlPara("webapp.findNews", paraMap);
		Page<News> page = News.DAO.paginate(index, size, sqlPara);
		return page;
	}

	@Override
	public News getNextNews (int id, Map<String, Object> paraMap) {
		SqlPara sqlPara = News.DAO.getSqlPara("webapp.findNextNews", Kv.by("id", id).set(paraMap));
		News bean = News.DAO.findFirst(sqlPara);
		return bean;
	}

	@Override
	public News getPrevNews (int id, Map<String, Object> paraMap) {
		SqlPara sqlPara = News.DAO.getSqlPara("webapp.findPrevNews", Kv.by("id", id).set(paraMap));
		News bean = News.DAO.findFirst(sqlPara);
		return bean;
	}

	@Override
	public List<News> getRandomNewsList (Map<String, Object> paraMap) {
		SqlPara sqlPara = News.DAO.getSqlPara("webapp.findRandomNews", paraMap);
		List<News> list = News.DAO.find(sqlPara);
		return list;
	}

	@Override
	public List<News> getTopNewsList (Map<String, Object> paraMap) {
		SqlPara sqlPara = News.DAO.getSqlPara("webapp.findTopNews", paraMap);
		List<News> list = News.DAO.find(sqlPara);
		return list;
	}

}
